Schema::getComment
public function Schema::getComment
public Schema::getComment($table, $column = NULL)
Retrieve a table or column comment.
File
- core/lib/Drupal/Core/Database/Driver/mysql/Schema.php, line 547
Class
- Schema
- MySQL implementation of \Drupal\Core\Database\Schema.
Namespace
Drupal\Core\Database\Driver\mysqlCode
public function getComment($table, $column = NULL) { $condition = $this->buildTableNameCondition($table); if (isset($column)) { $condition->condition('column_name', $column); $condition->compile($this->connection, $this); // Don't use {} around information_schema.columns table. return $this->connection->query("SELECT column_comment FROM information_schema.columns WHERE " . (string) $condition, $condition->arguments())->fetchField(); } $condition->compile($this->connection, $this); // Don't use {} around information_schema.tables table. $comment = $this->connection->query("SELECT table_comment FROM information_schema.tables WHERE " . (string) $condition, $condition->arguments())->fetchField(); // Work-around for MySQL 5.0 bug http://bugs.mysql.com/bug.php?id=11379 return preg_replace('/; InnoDB free:.*$/', '', $comment); }
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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Database!Driver!mysql!Schema.php/function/Schema::getComment/8.1.x